Our paper on the CrbS/R system in non-O1/non-O139 V. cholerae, as well as P. entomophila and P. aeruginosa is out in PLOS ONE here! Congrats to Anna Rasmussen '13, Paul Tyler '14, Mariah Servos '14, and Mariame Sylla '15, all of whom contributed data and V. cholerae strains to this manuscript!